According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

A procession of winter storms is forecast to bring snow, sleet, ice and potentially flood-inducing rain to sprawling bands of the U.S. this week.

The Northern ... see the map above, click here. AccuWeather's lead long-range meteorologist, Paul Pastelok, said: "The first Arctic high-pressure area will sink southward across the Plains and ...

Researchers have identified priority areas for conserving the black-tailed prairie dog in the United States. Protecting these regions will also benefit North America's Central Grasslands and the many ...

Maps show what to expect as the cold front ... with wind chills down to the negative 20s in the Northern Plains and single digits for the Central Plains. On Monday, the polar vortex will reach ...

Additionally, a blast of frigid Arctic air continues to sweep other areas of the country, with extreme cold warnings effecting millions of people in the Northern Plains and Rockies and the Upper ...